Travelex Group is foreign exchange company founded by Lloyd Dorfman and headquartered London.

Its main businesses are international payments, bureau de change and issuing prepaid credit cards for use by travellers.

It is the world's largest foreign exchange bureau and is a major donor and sponsor of the Royal National Theatre.

In 2007 it proposed a 'space currency' called the Quasi Universal Intergalactic Denomination as part of a viral marketing campaign.

It was founded in 1976 by Lloyd Dorfman in central London.

Source: Wikipedia